256     if (ve.fY == 0) {  in compare()
262         if (ve.fY > 0) d = -d;  in compare()
432     if (v0.vt->point().fY < v1.vt->point().fY)  return true;  in operator <()
433     if (v0.vt->point().fY > v1.vt->point().fY)  return false;  in operator <()
441     if (v0.vt->point().fY > v1.vt->point().fY)  return true;  in operator >()
442     if (v0.vt->point().fY < v1.vt->point().fY)  return false;  in operator >()
466     vPrev.fY = prev()->point().fY - point().fY;  in classify()
468     vNext.fY = next()->point().fY - point().fY;  in classify()
472     if (vPrev.fY < 0) {  in classify()
473         if (vNext.fY > 0) {  in classify()
478         } else if (vNext.fY < 0) {  in classify()
500     } else if (vPrev.fY > 0) {  in classify()
501         if (vNext.fY < 0) {  in classify()
506         } else if (vNext.fY > 0) {  in classify()
529         if (vNext.fY < 0) {  in classify()
540         } else if (vNext.fY > 0) {  in classify()
594                     i, vt[i].point().fX, vt[i].point().fY,  in PrintVertices()
620                     i, vt - vtBase, vt->point().fX, vt->point().fY,  in PrintVertexPtrs()
667                 vt->point().fY >= traps[1]->bottom()->point().fY) {  in RemoveDegenerateTrapezoids()
672                 vt->point().fY >= traps[0]->bottom()->point().fY) {  in RemoveDegenerateTrapezoids()
823           p[0].fX, p[0].fY,  in appendTriangleAtVertex()
824           p[1].fX, p[1].fY,  in appendTriangleAtVertex()
825           p[2].fX, p[2].fY  in appendTriangleAtVertex()
846     if (p0.fY < p1.fY)  return true;  in operator <()
847     if (p0.fY > p1.fY)  return false;  in operator <()
857         DebugPrintf("   (%.7g, %.7g)\n", v->point().fX, v->point().fY);  in PrintLinkedVertices()